Question: When Matt Busby started as member of sports team at Manchester City F.C.?
Paraphrase: When Matt Busby began as individual from games group at Manchester City F.C.?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q206237 p:P54 ?s . ?s ps:P54 wd:Q50602 . ?s pq:P580 ?value}